What's special about Chiron's rings is that they're still forming; this marks the first time astronomers have ever seen a ...

For years, scientists have viewed our solar system as isolated within the vast emptiness of space. But recent findings have ...

Astronomers are studying 3I/ATLAS, a rare interstellar comet nearing the Sun. Despite viral claims calling it an 'alien ...

There are a couple of ways that scientists can date planets, so which planets formed first in our solar system?

NASA is set to launch three spacecrafts Tuesday with the goal of unlocking the mysteries of solar weather at the edge of our solar system.

This cosmic visitor is now officially named 3I/ATLAS, and it appears to be a comet from another solar system. reading time 3 minutes Update: July 3, 09:24 a.m. ET: On Wednesday, July 2, the ...

A new study suggests yet another theory for a possible extra planet in our solar system, likely of a size between Mercury and ...

In approximately 5 billion years, the sun will deplete its hydrogen fuel and collapse under its own gravity, becoming a white ...

"We found that some comets in the inner Oort cloud form a long-lasting spiral structure." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Spirals ...

Eclipses are not particularly rare in the universe. One occurs every time a planet, its orbiting moon, and its sun line up. Nearly every planet has a sun, and astronomers have reason to believe that ...

Dementia is one source of confusion. But as the April 8 total eclipse of the sun approaches and things astronomical come front and center, we’re at risk for another. It’s an expanse so expansive that ...